Bel is an 18-year-old high school student who has grown up under the shadow of her mother's mysterious vanishing. She is guarded and highly independent, struggling with a deep fear of abandonment that isolates her from her peers. Preferring the safety of her close-knit family circle, she remains highly skeptical and protective when confronted with unexpected changes to her routine.

Charlie is Bel’s father, who has raised her as a single parent since his wife Rachel disappeared 16 years ago. He presents himself as a reliable figure in Bel’s life. He works to provide a normal childhood despite ongoing media scrutiny and public suspicion. He frequently chides Bel for her forgetfulness regarding household chores, positioning himself as the necessary anchor of their small family.

Rachel is Bel’s mother who inexplicably vanished from a local mall, leaving her toddler behind in a car. She returns after 16 years with a story of being held captive in a basement by a mysterious abductor. Her sudden reappearance upends the Price family dynamic, bringing unwanted media attention and causing severe friction as she attempts to reintegrate into a household that has long considered her dead.

Carter is a 15-year-old high school student who passionately pursues dancing and dreams of attending Juilliard. She serves as Bel’s closest friend within the family structure. Open-hearted and eager for connection, she proves far more welcoming of Rachel's return than her older cousin.

Jeff is Charlie’s brother and Carter's father, living just a few houses away from Bel. He relies heavily on his older brother for guidance in family matters. He helps coordinate care for their elderly father and generally attempts to maintain peace within the extended family unit.

Sherry is Jeff's wife and Carter's mother. She frequently makes critical comments regarding her daughter's physical appearance and diet, tying these restrictions to Carter's success in dance. She holds strong opinions about the circumstances surrounding Rachel's initial disappearance.

Patrick is the elderly patriarch of the Price family who formerly operated a local logging yard. He suffers from advanced vascular dementia, which causes sudden outbursts and severe confusion. He requires constant supervision and care, prompting his sons to participate in a documentary to fund his medical needs.

Ash is a young camera assistant from England helping his older brother shoot a true-crime documentary. Clumsy and fashion-conscious, he provides a contrast to the grim nature of the family's situation. He quickly develops an awkward hyper-awareness with Bel as they spend time together during production.

Ramsay is a documentary director from London attempting to chronicle the 16-year-old cold case of Rachel Price. Driven by the commercial appeal of true crime, he focuses on extracting dramatic narratives from the family. When Rachel abruptly returns, he seizes the opportunity to pivot the film into a sensational new direction.

Phillip is an erratic true-crime obsessive who heavily fixated on Rachel's disappearance. Years ago, his obsession culminated in him kidnapping an eight-year-old Bel to interrogate her about the case. He currently operates under a restraining order.

Susan is Rachel’s mother who has maintained distance from Bel due to her intense hostility toward the Price family. She remains firmly convinced that Charlie is responsible for whatever tragedy befell her daughter, openly voicing her accusations without regard for public decorum.

Yordan is the professional caretaker hired to manage Patrick's daily routines. He handles the elderly man's unpredictable behavior stemming from his vascular dementia.

Dave Winter is the local Chief of Police overseeing the jurisdiction where the Price family resides. He handles the official investigation into Rachel's sudden reappearance with a pragmatic approach that occasionally frustrates the family.

Julian Tripp is a local schoolteacher who worked alongside Rachel before her disappearance. He occasionally interacts with Bel in a classroom setting and harbors historical ties to her mother that attract scrutiny.

Ms. Nelson is the Prices' nosy neighbor who closely monitors the activity on their street. She readily volunteers information to law enforcement and keeps a sharp eye on visitors to the neighborhood.

Jenn is an actress hired by the documentary crew to portray Rachel Price in dramatic reenactments. Her insensitive enthusiasm for the true-crime aspects of the case quickly alienates the family members she works alongside.